Kidde Wi-Fi smoke alarm with status indicators and wiring

Smart Smoke Alarm, Hardwired with AA Backup Battery

20SAR-WCA

  • Real-Time Notifications: Home or away, get mobile alerts of smoke or low battery warnings

  • Fast Alerts: Cutting-edge technology sends fast alerts to give more time to get out safely

  • Whole Home Smart Connectivity: Get mobile alerts for every hardwired alarm in your home by adding just one Kidde smart alarm**

  • Reduced Nuisance Alarms: Enhanced sensing technology reduces false alarms often caused by cooking*

  • Hardwired with 2 AA Backup Batteries (included): Provides power even during short-term outages

Helpful Resources
Discover Kidde Smart

Learn more about the features and benefits of this Smart Smoke Alarm — and find out what this device can do for your home.

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Key Benefits

  • Real-Time Notifications in the Kidde App

    Real-Time Notifications in the Kidde App

    Home or away, get notifications of smoke and low battery warnings.

  • Simple Setup with Wi-Fi

    Simple Setup with Wi-Fi

    Connect quickly with 2.4 GHz Wi-Fi and what’s in the box.

  • Whole Home Smart Connectivity

    Whole Home Smart Connectivity

    Get mobile alerts for every hardwired alarm in your home by adding just one Kidde smart alarm.

Helpful Resources

Check out this How To Video to learn how to install and set up the Kidde Smart Smoke Alarm.

Download iconProduct Data Sheet
Download iconUser Guide
Download iconCompatibility Guide
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Why Kidde

Why Kidde

As North America's #1 home fire safety brand,* Kidde has been working to help make your home the safest it can be for more than 100 years. Now, our latest smoke alarms and combination smoke + carbon monoxide (CO) alarms are bringing you the next level of fire and CO safety. Help protect what matters most in your life with features like cutting edge technology that send fast alerts to give your family more time to get out safely. And enhanced sensing technology that reduces false alarms often caused by cooking.

*Based on total household installations as of December 2023.

** Different models offer different interconnection options and requirements. Check the User Guide for more info.

* When compared to prior Kidde generations of smoke alarms.